Sinister sudoku

Description:

Sudoku maven Liza Kelly is conducting classes in a penitentiary, of all places. One of her best students is released, but his freedom doesn’t last long. He’s found dead, leaving his own puzzle for Liza to solve to find the killer—before her number is up.

subjects: Fiction,  Mystery,  Prisoners,  Puzzles,  Sudoku,  Liza Kelly (Fictitious character),  Women detectives,  Large type books,  Fiction, mystery & detective, general